title: Drawing blood through a central venous catheter.
mesh_terms: D001800:Blood Specimen Collection / Q000295:instrumentation / Q000379:methods* / Q000451:nursing*; D002405:Catheterization, Central Venous / Q000451:nursing*; D002408:Catheters, Indwelling; D004868:Equipment Failure; D006801:Humans; D007507:Therapeutic Irrigation / Q000451:nursing